Home / 82,661.20-114,075.41-50,823.95

Finding the Fourth Proportional to 82,661.20, 114,075.41 and 50,823.95

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Solution

The fourth proportional to 82,661.20, 114,075.41 and 50,823.95 is: 70,138.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,661.20 : 114,075.41 = 50,823.95 : x
  2. Step 2: Convert to fraction form
    82,661.20/114,075.41 = 50,823.95/x
  3. Step 3: Cross multiply
    82,661.20x = 114,075.41 × 50,823.95
  4. Step 4: Simplify right side
    82,661.20x = 5,797,762,109.57
  5. Step 5: Solve for x
    x = 5,797,762,109.57/82,661.20
  6. Step 6: Final answer
    x = 70,138.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.